Well, we'll ship the bichromate in steel drums and the chromic anhydride in oil cans.嗯, 我们会把重铬酸盐用钢桶装,而无水铬酸则用油罐装.Chromeplating lithium is mainly used for chromic acid and acid.镀铬用的电解液次给是铬酸酐和硫酸.A process of Cr electro...
We are in one of the most severe recessions in modern times.我们正在经历现代最严重的一段经济衰退。They used to buy ten kilos of beef in one lump.他们过去常买10公斤重的整块牛肉。Many children are now born into or raised in one-parent families.现在很多孩子在单亲家庭中...